Improvement in harvesters



JOSEPH BOEDWELL, OE EEOOKPOET, NEW YOEx, AssieEoE fro SEYMOUR, MORGAN aALLEN, OE SAME-PLAGE.

IMPROVEMENT IN HARVESTERS.

Specification forming part of Letters Patent No. 122,432, dated January2, 1872.

To all-whom it may concern:

Beit known that I, JOSEPH BOEDWELL, of Brockport, in the county ot'Monroe and State New York, haye'invented certain new and usefulImprovements in Harvesters, of which the following is a specification:

My invention relates more especially to machines of the class known astwo-wheeled'i'rontcut hinged-bar mowing-machine; and consists in certainimprovements, hereinafter speciiic'- ally described, upon the machinefor Which Letters Patent of the United States, No. 7 8,- 904, weregranted June 16, 1868, toThOmas Welch. I

In the accompanying drawing of my improved mowing-machine, Figure 1 isaplan; Fig. 2, an elevation of the stubble side; Fig. 3, a similar viewof the opposite side; Fig, 4, a similar view of a part of thetongue-frame and gearing-frame.

Two driving-wheels, A A', turn freely on an axle, B, which revolves inboxes c in the main or draft-frame C. A flanged collar, b, keyed fast onthe axle, carries, pawls 19.', which take into ratchet-teeth a on theinner side of the hub of the VWheel A'` thus locking the wheel and axletogether when moving forward, as is Well understood, but leaving themdisconnected in backing. The pawls have no springs, but operate bygravity alone. The other driving-wheel A has a corresponding ratchet.Its flanged collar, however, is secured to an internally-gearedspur-wheel D fast upon the main axle B. This wheel drives acorresponding pinion, E, on a counter-shaft, e, turning in a box, c', onthe frame. A grooved collar, f, slides freely on this shaft when movedby the n shi ppin g-lever F, and a ratchet on this collar is thus throwninto or out of gear with a transverse pin on the counter-shaft. Thiscollar f likewise forms part of the universal joint'g of thetumbling-shaft G, which turns with but moves freely en'dwise in theknuckle ofthe I second universal joint H, Which forms the connection'between the tumbling-shaft G andthe shaft h mounted in bearings in theframe I. This frame consists of a hollow casing, I, rocking.

shaft H', which latter drives the cutters by a These wheels crank andpitman, vas usual. and the crank-shaft are shown in dotted lines in Fig.1, being inclosed by the casing. A seat, L, for the driver is mounted onthe main frame infront of the axle, in order that his weight maycounterbalance that of the gearthe main frame, as usual. A foot-board,L', for the driver is secured upon this tongue, as is also a bracket,M', having a stop, m, underneath it to limit the rising of thecouplingframe. A link, N, pivoted to the couplingframe, passes upwardthrough a slot in this Y bracket. A pin, passed through one of a seriesof holes in this link above the tongue, limits the descent of theCOuplingframe, While leaving it free to 'rise when necessary. This linkalso holds the coupling -frame irmly against the stop when` moving fromiield to field. The double-tree O is attached to a draftrod, o, hookedinto a lug` on the coupling-frame, so that the pull of the team may tendto lift the coupling-trame and cutting apparatus and diminish itspressure upon the ground, and thus lighten the dra-ft of the machine. Alifting-lever, l?, mounted on the main frame, vibrates a sector-rack,P', carrying a chain, p, connected with the nger-beam to lift it. Aswinging pawl, p', pivoted to the bracket M',

engages the teeth ofthe sector-rack and holds v the linger-beam at theelevation desired. A hook, X, pivoted on the bracket, takes' into ahole, a', on the guide Y of the cutter-bar, when the cutting apparatusis folded up close to the main frame, 'and serves to hold thefinger-beam in its elevated position. A cap, 2, on thecasing I, protectsthe crank from being obstructed by cut grass and other things, and alsoforms that portion of the casing which abuts against the stop m to limitthe ascent of the cou pling-frame.

I claim as my inventioni 1. The combination of the main frame, the mainaxle turning therein; the drivin g-wheels, the backing-ratchets inclosedtherein; the

A tongue, M, projects from the front of 2l l v 122,432

spur-gear fast on one of the anged collars of endwise in the knuckle ofthe second universal the ratchets, the spur-pinion on the oounterjoint,al1 constructed, arranged, and operating shaft, and the sliding clutchin the universalas described, for the purpose set forth.

joint connection of the counter-shaft, al1 these In testimony whereof Ihave hereunto subparts being constructed and operating as, de. scribedmy name..

Scribd- JOSEPH his BORDWELL 2. The combination of the countershaft rel,k

Volving in a long box-bearing, the shipping- Witnesses;

lever, the sliding clutch forming; part ot' the E, T, LAMB,

universal joint, and the coupling-shaft sliding WM, STOUGHTON (743

